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Finding the Fourth Proportional to 394,810.04, 592,266.96 and 207,831.80

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Solution

The fourth proportional to 394,810.04, 592,266.96 and 207,831.80 is: 311,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,810.04 : 592,266.96 = 207,831.80 : x
  2. Step 2: Convert to fraction form
    394,810.04/592,266.96 = 207,831.80/x
  3. Step 3: Cross multiply
    394,810.04x = 592,266.96 × 207,831.80
  4. Step 4: Simplify right side
    394,810.04x = 123,091,908,377.33
  5. Step 5: Solve for x
    x = 123,091,908,377.33/394,810.04
  6. Step 6: Final answer
    x = 311,775.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.